Homarus americanus
You might think that all lobsters are bright red, but they only turn
that
color
after they've been cooked for dinner. Lobsters are normally a
blend of brown,
green and red, although some lobsters are blue or white.
Visit the Aquarium's
rare blue and white lobsters to see for yourself.
Size Up to 3 feet long; can weigh up to 40 pounds or more
Diet Fishes, crabs, clams, mussels, sea urchins and sea stars
Lifespan 60 years or more; though it is difficult for scientists to know
Range North Atlantic waters, from Canada through North Carolina
Habitat Rocky and sandy ocean floor
Predators Large fishes, larger lobsters, seals and humans
Relatives American lobsters are crustaceans, which means they are related to
crabs and shrimps, and distantly related to spiders.
Family life Female lobsters produce thousands of eggs at a time and carry the eggs under their tails for 9 to 12 months. The newly hatched lobsters swim near the ocean’s surface, where they eat small creatures known as zooplankton.
Conservation status Stable American lobsters are not considered threatened, but there is some concern that too many are being harvested by commercial fishermen.
Lobsters and climate change As ocean temperatures fluctuate, so do the lobsters' habits. Lobsters can respond to temperature changes by changing their habitat. Read more ...
Explore other profiles Check out sand tiger sharks, cownose rays and moon jellies.
Aquarium home movies: American lobster
Visit me at the Aquarium
The Aquarium displays many lobsters in the Gulf of Maine exhibit, including a blue and a white lobster.
We are making a difference
The Aquarium’s research department is investigating the possible causes behind lobster shell disease, including water pollution and climate change.
Blue Lifestyle tips
You can make a difference for American lobsters by reducing the impact of global climate change. Choose energy efficient appliances, walk or take public transportation whenever possible and use energy efficient compact fluorescent light bulbs in your home.

